Disappearance of Bolivia's No. 2 lake a harbinger

Overturned fishing skiffs lie abandoned on the shores of what was Bolivia's second-largest lake. Beetles dine on bird carcasses and gulls fight for scraps under a glaring sun in what marshes remain.

Geneticists find joy in Spudville

David Tay heaves aside a metal door that leads into an earthquake-proof room chilled to 42 degrees. There, under the glow of blue-tinged lights, are thousands of test tubes, each with small green sprouts trapped inside.

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